It is a different issue. Generally if there are 4 tracks, 2 will be the fasts and 2 the slows (except on the western when they are mains/reliefs). Having a pair of lines where virtually nothing stops makes a huge difference to the service pattern. The actual linespeeds can be quite similar, so linespeed isn't sufficient to tell them apart.
Richard On Fri, Jun 5, 2009 at 11:27 AM, Peter Miller <[email protected]>wrote: > > On 5 Jun 2009, at 11:23, Richard Mann wrote: > > Yes but if you do that, make sure that there's a tag used for lines which > are "fast", otherwise you won't easily be able to tell which routes have > separate tracks for fast and slow trains (maybe that exists already) > > > Individual tracks can of course have different maxspeed tags if they are > modelled using different ways. Possibly that is a different issues from > fast/slow trains but this is getting outside my area of knowledge. > > > > Regards, > > > > > Peter > > > > Richard > > On Fri, Jun 5, 2009 at 11:08 AM, Steve Hill <[email protected]> wrote: > >> On Fri, 5 Jun 2009, Peter Miller wrote: >> >> I am certainly not proposing separate ways for separate lines. I think >>> there should either be one way for a bunch of parallel tracks or >>> alternatively one way per track if people are getting nerdy (surely >>> not!). >>> >> >> Tracing individual tracks might make sense if people are tracing from >> photos. Especially true for sidings, etc. I don't really see it as much >> different to having separate ways for the two sides of a dual carriageway. >> >> - Steve >> xmpp:[email protected] <xmpp%[email protected]> >> sip:[email protected] <sip%[email protected]> http://www.nexusuk.org/ >> >> Servatis a periculum, servatis a maleficum - Whisper, Evanescence >> >> > >
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